webgui/lib/WebGUI.pm
2005-10-18 14:58:52 +00:00

144 lines
4.4 KiB
Perl

package WebGUI;
our $VERSION = "6.8.0";
our $STATUS = "beta";
#-------------------------------------------------------------------
# WebGUI is Copyright 2001-2005 Plain Black Corporation.
#-------------------------------------------------------------------
# Please read the legal notices (docs/legal.txt) and the license
# (docs/license.txt) that came with this distribution before using
# this software.
#-------------------------------------------------------------------
# http://www.plainblack.com info@plainblack.com
#-------------------------------------------------------------------
use strict qw(vars subs);
use Tie::CPHash;
use WebGUI::Affiliate;
use WebGUI::Asset;
use WebGUI::Cache;
use WebGUI::ErrorHandler;
use WebGUI::Grouping;
use WebGUI::HTTP;
use WebGUI::International;
use WebGUI::Operation;
use WebGUI::Privilege;
use WebGUI::Session;
use WebGUI::SQL;
use WebGUI::Style;
use WebGUI::URL;
use WebGUI::PassiveProfiling;
#-------------------------------------------------------------------
sub _processOperations {
my ($cmd, $output);
my $op = $session{form}{op};
my $opNumber = shift || 1;
if ($op) {
$output = WebGUI::Operation::execute($op);
}
$opNumber++;
if ($output eq "" && exists $session{form}{"op".$opNumber}) {
my $urlString = WebGUI::URL::unescape($session{form}{"op".$opNumber});
my @pairs = split(/\;/,$urlString);
my %form;
foreach my $pair (@pairs) {
my @param = split(/\=/,$pair);
$form{$param[0]} = $param[1];
}
$session{form} = \%form;
$output = _processOperations($opNumber);
}
return $output;
}
#-------------------------------------------------------------------
sub _setup {
require WebGUI::Operation::WebGUI;
my $output = WebGUI::Operation::WebGUI::www_setup();
$output = WebGUI::HTTP::getHeader().$output;
WebGUI::Session::close();
return $output;
}
#-------------------------------------------------------------------
sub _upgrading {
my $webguiRoot = shift;
my $output = WebGUI::HTTP::getHeader();
open(FILE,"<".$webguiRoot."/docs/maintenance.html");
while (<FILE>) {
$output .= $_;
}
close(FILE);
WebGUI::Session::close();
return $output;
}
#-------------------------------------------------------------------
sub page {
my $webguiRoot = shift;
my $configFile = shift;
my $useExistingSession = shift; # used for static page generation functions where you may generate more than one asset at a time.
my $assetUrl = shift;
my $fastcgi = shift;
WebGUI::Session::open($webguiRoot,$configFile,$fastcgi) unless ($useExistingSession);
if ($session{env}{HTTP_X_MOZ} eq "prefetch") { # browser prefetch is a bad thing
WebGUI::HTTP::setStatus("403","We don't allow prefetch, because it increases bandwidth, hurts stats, and can break web sites.");
my $output = WebGUI::HTTP::getHeader();
WebGUI::Session::close();
return $output;
}
return _upgrading($webguiRoot) if ($session{setting}{specialState} eq "upgrading");
return _setup() if ($session{setting}{specialState} eq "init");
my $output = _processOperations();
if ($output eq "") {
my $asset = WebGUI::Asset->newByUrl($assetUrl,$session{form}{revision});
if (defined $asset) {
$session{asset} = $asset;
my $method = "view";
if (exists $session{form}{func}) {
$method = $session{form}{func};
unless ($method =~ /^[A-Za-z]+$/) {
WebGUI::ErrorHandler::security("tried to call a non-existent method $method on $assetUrl");
$method = "view";
}
}
$method = "www_".$method;
$output = eval{$asset->$method()};
if ($@) {
WebGUI::ErrorHandler::warn("Couldn't call method ".$method." on asset for ".$session{env}{PATH_INFO}." Root cause: ".$@);
$output = $asset->www_view;
} else {
if ($output eq "" && $method ne "view") {
$output = $asset->www_view;
}
}
} else {
my $notFound = WebGUI::Asset->getNotFound;
$session{asset} = $notFound;
$output = $notFound->www_view;
}
}
WebGUI::Affiliate::grabReferral(); # process affilliate tracking request
if (WebGUI::HTTP::isRedirect() && !$useExistingSession) {
$output = WebGUI::HTTP::getHeader();
} else {
$output = WebGUI::HTTP::getHeader().$output;
if (WebGUI::ErrorHandler::canShowDebug()) {
$output .= WebGUI::ErrorHandler::showDebug();
}
}
# This allows an operation or wobject to write directly to the browser.
$output = undef if ($session{page}{empty});
WebGUI::Session::close() unless ($useExistingSession);
return $output;
}
1;